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Calathea Rattlesnake

Calathea lancifolia

houseplant

The Calathea Rattlesnake is a striking tropical houseplant known for its long, lance-shaped leaves with bold dark green and light green patterns that resemble a rattlesnake's markings. The undersides of the leaves display a beautiful deep burgundy color. This plant is prized for its dramatic foliage and is relatively low-maintenance compared to other Calatheas, making it suitable for intermediate plant parents.

Common Problems

Select the problem your Calathea Rattlesnake is experiencing to get a treatment guide.

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Brown Tipschevron_right

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Curling Leaveschevron_right

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Yellow Leaveschevron_right

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Brown Spotschevron_right

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Slow Growthchevron_right

Care Guide

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Light

Bright, indirect light; tolerates moderate indirect light but avoid direct sun which can fade leaf patterns

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Water

Keep soil consistently moist but not waterlogged; water when top inch of soil feels dry; use distilled or filtered water to prevent mineral buildup

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Soil

Well-draining potting mix with peat moss, orchid bark, and perlite in equal parts; ensure good drainage to prevent root rot

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Fertiliser

Fertilize monthly during growing season (spring and summer) with balanced, diluted liquid fertilizer; reduce in fall and winter

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Temperature

Prefers warm temperatures between 65–75°F (18–24°C); avoid temperatures below 60°F (15°C) and cold drafts

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Humidity

Requires high humidity of 50–80%; mist regularly, use a pebble tray with water, or place near a humidifier

Toxicity

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Non-toxic to cats, dogs, and children; safe for households with pets and small children

Common Diseases

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Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.